Many would ask why, but Jewel explained to Three's The Project that her decision was simple.

"I decided to stay because I signed up for the experiment for a reason, and I guess I was still hanging on to the glimmer of hope of our connection that was really obvious from our wedding day," she said.

"And a little bit of spite."

Now the show is airing she's become somewhat of a counsellor to other couples, and finds herself approached in the street by other victims of infidelity.

"They go straight into sharing - they've been cheated on or they've cheated, and how the Davina and Dean saga has hit a nerve for them," she said.